Tasmanian devils evolve resistance to contagious cancer

Genetic tweaks helping threatened marsupials beat deadly tumors

Tasmanian devil

SURVIVAL GEAR  Some genetic variants may have allowed a small number of Tasmanian devils to withstand a deadly contagious facial tumor that has killed up to 95 percent of them in some locales. The discovery could be good news for the species. 

Chen Wu/Wikimedia Commons (CC BY 2.0)

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